I don't think a cell phone is ( ) great use to a middle school st_英语解答

I don't think a cell phone is ( ) great use to a middle school student.

人气：449 ℃　时间：2020-04-15 14:44:42

解答

填 of
of great use 是很有用的意思.
这句话就是说我不认为手机对中学生来说有什么大用处.